EP1290971A2 - Procédé pour nettoyer un filtre de machine mobile de nettoyage des sols et machine mobile de nettoyage des sols - Google Patents

Procédé pour nettoyer un filtre de machine mobile de nettoyage des sols et machine mobile de nettoyage des sols Download PDF

Info

Publication number
EP1290971A2
EP1290971A2 EP02018129A EP02018129A EP1290971A2 EP 1290971 A2 EP1290971 A2 EP 1290971A2 EP 02018129 A EP02018129 A EP 02018129A EP 02018129 A EP02018129 A EP 02018129A EP 1290971 A2 EP1290971 A2 EP 1290971A2
Authority
EP
European Patent Office
Prior art keywords
filter
floor cleaning
cleaning machine
frequency
resonance frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02018129A
Other languages
German (de)
English (en)
Other versions
EP1290971B1 (fr
EP1290971A3 (fr
Inventor
Carsten Protz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hako Werke GmbH and Co
Hako GmbH
Original Assignee
Hako Werke GmbH and Co
Hako GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hako Werke GmbH and Co, Hako GmbH filed Critical Hako Werke GmbH and Co
Priority to EP07004158A priority Critical patent/EP1818000B1/fr
Publication of EP1290971A2 publication Critical patent/EP1290971A2/fr
Publication of EP1290971A3 publication Critical patent/EP1290971A3/fr
Application granted granted Critical
Publication of EP1290971B1 publication Critical patent/EP1290971B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0854—Apparatus in which the mechanically dislodged dirt is partially sucked up, e.g. dislodging-sweeping apparatus with dirt collector in brush housing or dirt container
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4027—Filtering or separating contaminants or debris
    • A47L11/4033—Means for cleaning filters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/20—Means for cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations

Definitions

  • the invention relates to a method for cleaning the Filters of a suction system of a mobile floor cleaning machine by interrupting the floor cleaning operation and supplying mechanical vibration energy to the holding frame of the filter, the a fixed but detachably connected to the support frame support member and a filter material attached to the filter material Contains filter assembly, the vibrational energy Has resonance frequency of the filter arrangement, as well as on a suitably constructed mobile floor cleaning machine,
  • sweeping machines throws a sweeping brush or roller picked up from the floor Dirt in a dirt container, and the one with the dust or fine dust whirled up on the sweeping brush or roller Air is drawn through at least one filter before going back is led into the surrounding air, so as to remove contaminants to be freed.
  • street sweepers the dirt from an air flow generated by the suction system Soil picked up and transported to a dirt collector, whereupon also in some cases a purification of the air by means of at least one filter before the air again got into the environment.
  • This cleaning can be done by mechanical wipers that over the Filter material, such as the accordion-shaped fold formed fins of a plate filter or a cartridge filter, be performed.
  • Cleaning is also known by doing the filter holding frame supplies mechanical vibrational energy, for example by using it a vibrating motor, that is, a motor, on its motor shaft there is, for example, an eccentrically attached mass.
  • Such vibrating motors are used in plate filters as well for bag filters etc. used, and it is already known (GB-B-1 224 068), shaking at the resonant frequency of the filter arrangement make.
  • the resonance frequency is either set according to the structure of the filter arrangement or adjusted in operation.
  • the effective resonance frequency of the Filter arrangement depends on numerous factors, the one hand are production-related (fluctuations in the composition of the Filter material, tolerances of the holding frame components, tolerances the vibration generator) and the other hand in the operation of the Floor cleaning machine occur.
  • the latter is in particular the amount of dirt contained in the filter arrangement.
  • "Resonance frequency" is only used in the rarest of cases the resonance frequency of the given cleaning case Filter arrangement match. But since they actually do existing resonance frequency can not be measured, can a frequency setting for the individual cleaning process only done through experiments. Again, this is so time consuming that you're actually trying to shake with resonance frequency can do without right away.
  • a method of the type mentioned is mentioned Art designed according to the invention such that the its bracket vibration-isolated, limited mobility Holding frame vibration energy is supplied at a frequency the one at least four times during a cleaning process Frequency range in which the resonance frequency of the Carrier part attached filter assembly is.
  • a mobile floor cleaning machine of the type of interest designed according to the invention in that the holding frame is elastic is supported and kept movable and from Vibration generator is subjected to vibration energy of a frequency at least during a cleaning process passes through a frequency range four times in which the resonance frequency the filter arrangement.
  • the known "theoretical” Based on the resonance frequency of the filter arrangement takes into account that in practice this is not the applicable "actual” resonance frequency for each cleaning process is, for example, of manufacturing tolerances and also depends on the degree of contamination of the filter assembly.
  • the frequency range to be traversed must be sufficient be chosen large, so that the "actual" resonance frequency this also lies in it, and on the other hand it should be as small as possible be so with the desired slow passage through the frequency range and the resulting relatively long Excitation with the resonance frequency the time intervals between the successive iteration of the "actual" Resonance frequency are as short as possible, the entire cleaning process therefore requires relatively little time.
  • the design is therefore the upper limit frequency of the frequency range a maximum of 30% greater than the "theoretical" resonance frequency, preferably by a maximum of 20% and in particular preferably at most by 10%.
  • lower limit frequency of the frequency range is a maximum of 30% smaller than the "theoretical" resonance frequency and preferably maximum by 20% and very particularly preferably a maximum of 10%.
  • the one here the underlying "theoretical" resonance frequency is, as already mentioned that for the filter arrangement of a filter of interest Type of resonance frequency to be assumed, i.e. a Mean value of neither deviations due to tolerances of the filter material and the rest of the construction changes to the Resonance frequency due to deposition of dirt particles taken into account.
  • the floor cleaning machine contains a plate filter that arranged in a rectangular or square holding frame is, as already mentioned above, elastically supported and is kept movable to a limited extent, this is preferably done Vibration energy is applied in such a way that on the carrier part supported, consisting of lamellar filter material Filter arrangement in the plate plane and in the direction perpendicular to Longitudinal extension of the slats is vibrated.
  • the one cylindrical support part and a filter arrangement made of tubular Filter material and an elastic filter basket if necessary an additional mass that improves the vibration behavior can have either in the direction of their longitudinal axis or vibrated in the direction transverse to its longitudinal axis become.
  • the sweeper shown schematically in Figure 1 has a frame 1 on which a front wheel 3 and rear wheels 4 are supported and on which an operating area 2 is provided is a driver's seat, one attached to a steering column Steering wheel and the corresponding controls for the Operation of the sweeper. Below the driver's seat are usually those required for energy supply Batteries or an internal combustion engine housed. On the rear part of the frame 1 are in the area 8 for driving and the suction units required, in particular a blower and the necessary air ducts are provided, and in this area there is also a dirt container including the filter or filters.
  • a filter passed to this entrained dirt particles to be deposited so that they do not get back into the ambient air.
  • the deposit on the filter material of these filters Dirt naturally reduces its air permeability, so that it is required from time to time one Carry out filter cleaning through which the adhering dirt particles or the adherent, composed of dirt particles Filter cake is released from the filter material.
  • a filter housing is shown in the schematic illustration according to FIG 10 of a sweeper shown in operation from below air laden with dirt flows upwards.
  • Filter housing 10 a holding frame 11 is arranged, which is on resilient supports 12 supported on the filter housing 10. These supports can be formed by coil springs, in which on Retaining frame 11 extend mandrels that the location of the Set the holding frame 11 in the filter housing 10.
  • the holding frame 11 is otherwise leaving a gap in the filter housing 10 arranged, and this gap is by a circumferential elastic Seal 13 sealed, the passage of unfiltered Prevents air in this area.
  • a cross member extends on the underside of the holding frame 11 17 on which a schematically illustrated vibrator motor 18 is held.
  • This is an electric motor that carries an eccentric mass on its armature shaft.
  • Vibration motors are known. If necessary, can turn to Driving a shaft carrying an eccentric mass also piston movable by magnetic alternating field, a pneumatic or hydraulic working cylinder or similar serve.
  • a plate filter the frame-shaped one, is detachably seated in the holding frame 11
  • Carrier part 14 fixed by means of a clamp 15 and the filter arrangement held in the carrier part 14 formed by concertina-like folding of filter material Slats 16 serves to carry along the air carried through it Hold back dirt. Therefore, it is stored in the sweeping mode Dirt from these slats reduces the air permeability of the filter material increasingly reduced.
  • the vibrator motor 18 is activated so that it rotates Vibration energy is transferred to the holding frame 11.
  • the vibration energy acts in the drawing plane according to Figure 2, so that the Holding frame 11 and thus the plate filter in the drawing plane be moved back and forth.
  • the electric motor 18 is so controlled that he multiple times, preferably at least four times six times to ten times, going through a speed range, which is chosen in such a way that an excitement when it passes through the filter arrangement takes place with its resonance frequency. at this passing through the resonance frequency increases the vibration amplitude of the filter blades 16 significantly compared to one Excitation outside the resonance frequency. The significantly increased Deflections of the filter blades 16 in the range of the resonance frequency lead to an effective removal of the dirt deposits.
  • the vibrator motor was used several times Speeds from 4000 rpm to 5000 rpm and vice versa, around a plate filter in which the resonance frequency of the filter arrangement was around 75 Hz, in the range of this resonance frequency to excite.
  • the deflections of the filter blades increased, that when exposed to vibrational energy outside the resonance frequency experienced a deflection of approximately ⁇ 2 mm, to a deflection of approximately ⁇ 6 mm to ⁇ 7 mm, which is a pronounced increase in cleaning effect.
  • a bag filter is shown schematically, the with its cylindrical support part provided at the upper end or Head piece 24 is attached to a holding plate 31, the function of which corresponds to that of the holding frame 11 from Figure 2.
  • a filter arrangement made of tubular filter material 26 and enclosed by this, elastically deformable Filter basket 29 with additional mass attached to the lower end 30 attached.
  • a bag filter according to FIG. 4 can, as indicated in FIG. 5, with its support part or head piece 24 also on one Holding plate 31 'to be held, which is used to transmit vibrational energy suitable across the longitudinal axis of the bag filter is hung.
  • vibrational energy suitable across the longitudinal axis of the bag filter is hung.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP02018129A 2001-09-07 2002-08-14 Procédé pour nettoyer le filtre d'une machine mobile de nettoyage des sols Expired - Lifetime EP1290971B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07004158A EP1818000B1 (fr) 2001-09-07 2002-08-14 Machine de nettoyage du sol avec moyens pour le nettoyage du filtre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10143941 2001-09-07
DE10143941A DE10143941A1 (de) 2001-09-07 2001-09-07 Verfahren zum Reinigen des Filters einer fahrbaren Bodenreinigungsmaschine sowie fahrbare Bodenreinigungsmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07004158A Division EP1818000B1 (fr) 2001-09-07 2002-08-14 Machine de nettoyage du sol avec moyens pour le nettoyage du filtre

Publications (3)

Publication Number Publication Date
EP1290971A2 true EP1290971A2 (fr) 2003-03-12
EP1290971A3 EP1290971A3 (fr) 2004-02-11
EP1290971B1 EP1290971B1 (fr) 2008-03-05

Family

ID=7698085

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07004158A Expired - Lifetime EP1818000B1 (fr) 2001-09-07 2002-08-14 Machine de nettoyage du sol avec moyens pour le nettoyage du filtre
EP02018129A Expired - Lifetime EP1290971B1 (fr) 2001-09-07 2002-08-14 Procédé pour nettoyer le filtre d'une machine mobile de nettoyage des sols

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07004158A Expired - Lifetime EP1818000B1 (fr) 2001-09-07 2002-08-14 Machine de nettoyage du sol avec moyens pour le nettoyage du filtre

Country Status (2)

Country Link
EP (2) EP1818000B1 (fr)
DE (3) DE10143941A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2450720A (en) * 2007-07-04 2009-01-07 Black & Decker Inc Power cutter with pleated filter
GB2450717A (en) * 2007-07-04 2009-01-07 Black & Decker Inc Power cutter including air filter cleaning mechanism
US7828720B2 (en) 2005-04-20 2010-11-09 Nico Corporation Surgical adapter
US7877839B2 (en) 2006-11-20 2011-02-01 Black & Decker Inc. Wet and/or dry vacuum with floor collector
US7887624B2 (en) 2005-10-11 2011-02-15 Black & Decker Inc. Gas concrete saw filtration system
AU2008202985B2 (en) * 2007-07-04 2012-04-19 Black & Decker, Inc. Power cutter
US8272134B2 (en) 2007-07-04 2012-09-25 Black & Decker Inc. Power cutter
ITUD20120044A1 (it) * 2012-03-19 2013-09-20 Klindex Srl "aspirapolvere con sistema di pulizia di filtro"
EP2119389A3 (fr) * 2008-05-16 2016-04-13 Nilfisk-Advance A/S Supports de filtrage améliorés et machine de balayage du sol fournie avec ces supports
CN110038355A (zh) * 2019-05-10 2019-07-23 王希民 一种空气净化装置、系统及应用
CN113230775A (zh) * 2021-03-26 2021-08-10 侯焕芳 一种用于电力设备除尘器
CN114617473A (zh) * 2022-03-25 2022-06-14 深圳乐生机器人智能科技有限公司 一种尘盒以及清洁设备

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103156554A (zh) * 2011-12-16 2013-06-19 乐金电子(天津)电器有限公司 一种具有自身拍击清洁的电机前置过滤器
DE102015217825A1 (de) 2015-09-17 2017-03-23 Robert Bosch Gmbh Filtervorrichtung für eine Absaugvorrichtung
DE112017007705A5 (de) 2017-06-28 2020-03-12 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine mit lösbarer Filtereinrichtung
CN110868899B (zh) 2017-06-28 2022-04-08 阿尔弗雷德·卡赫欧洲两合公司 具有用于清扫工具的定位装置的地面清洁机
WO2019042570A1 (fr) 2017-09-04 2019-03-07 Alfred Kärcher SE & Co. KG Filtre à poussière et machine de nettoyage comprenant un dispositif de nettoyage de filtre, machine de nettoyage et procédé de réalisation d'un filtre à poussière
JP7098318B2 (ja) 2017-12-21 2022-07-11 株式会社マキタ 電動工具用集塵装置及び電動工具
WO2019149343A1 (fr) 2018-01-31 2019-08-08 Alfred Kärcher SE & Co. KG Appareil de nettoyage
CN109045859B (zh) * 2018-09-26 2021-01-12 青岛贝科绮家居用品有限公司 一种纺织车间除尘装置
CN111623464B (zh) * 2020-06-11 2021-12-07 商河园通市政工程有限公司 一种公共场所用防尘网自清洁的排气系统
KR20240128672A (ko) * 2021-11-04 2024-08-26 파인 인크. 자체-청소 필터 매체
CN117101290B (zh) * 2023-10-10 2024-05-10 中元科建(北京)工程技术有限公司 一种医疗实验室气体过滤净化装置
DE202024100246U1 (de) * 2024-01-18 2025-04-23 Microair Sp. z o.o. Filtervorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL134853C (fr) * 1961-09-13 1972-03-15
GB1224068A (en) * 1968-09-10 1971-03-03 Wayne Manufacturing Co Street cleaning vehicle
US3759014A (en) * 1971-05-12 1973-09-18 Kennecott Copper Corp Method and apparatus for dislodging accumulated dust from dust collecting elements
US4032307A (en) * 1975-11-28 1977-06-28 Tennant Company Method and apparatus for cleaning filter means
US4173052A (en) * 1977-11-17 1979-11-06 The Scott & Fetzer Company Riding sweeper
US4258451A (en) * 1979-07-23 1981-03-31 Tennant Company Surface sweeping machine
US4328014A (en) * 1981-04-22 1982-05-04 The Scott & Fetzer Company Sweeper hopper with filter assembly
US4787923A (en) * 1986-08-27 1988-11-29 Tennant Company Apparatus for cleaning an air filter
DE3740702C1 (de) * 1987-12-01 1989-03-09 Mohr Hermann Masch Maeh- und Kehrvorrichtung
US5013333A (en) * 1990-04-13 1991-05-07 Tennant Company Unattended air cleaning system for surface maintenance machine
GB2306345B (en) * 1995-10-20 1999-06-23 Applied Sweepers Ltd Suction sweeping machine
US5829094A (en) * 1997-02-19 1998-11-03 Tennant Company Sweeper with electromagnetic filter cleaning
US6051138A (en) * 1998-05-05 2000-04-18 Hobson, Jr.; Russell B. Slack filter tube with tensioning means

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7828720B2 (en) 2005-04-20 2010-11-09 Nico Corporation Surgical adapter
US7887624B2 (en) 2005-10-11 2011-02-15 Black & Decker Inc. Gas concrete saw filtration system
US8037570B2 (en) 2006-11-20 2011-10-18 Black & Decker Inc. Wet and/or dry vacuum with floor collector
US7877839B2 (en) 2006-11-20 2011-02-01 Black & Decker Inc. Wet and/or dry vacuum with floor collector
US8388415B2 (en) 2007-07-04 2013-03-05 Black & Decker Inc. Power cutter
GB2450717A (en) * 2007-07-04 2009-01-07 Black & Decker Inc Power cutter including air filter cleaning mechanism
AU2008202985B2 (en) * 2007-07-04 2012-04-19 Black & Decker, Inc. Power cutter
US8272134B2 (en) 2007-07-04 2012-09-25 Black & Decker Inc. Power cutter
GB2450720A (en) * 2007-07-04 2009-01-07 Black & Decker Inc Power cutter with pleated filter
EP2119389A3 (fr) * 2008-05-16 2016-04-13 Nilfisk-Advance A/S Supports de filtrage améliorés et machine de balayage du sol fournie avec ces supports
ITUD20120044A1 (it) * 2012-03-19 2013-09-20 Klindex Srl "aspirapolvere con sistema di pulizia di filtro"
CN110038355A (zh) * 2019-05-10 2019-07-23 王希民 一种空气净化装置、系统及应用
CN110038355B (zh) * 2019-05-10 2023-09-08 潍坊智滤环保科技有限公司 一种空气净化装置、系统及应用
CN113230775A (zh) * 2021-03-26 2021-08-10 侯焕芳 一种用于电力设备除尘器
CN114617473A (zh) * 2022-03-25 2022-06-14 深圳乐生机器人智能科技有限公司 一种尘盒以及清洁设备
CN114617473B (zh) * 2022-03-25 2023-08-04 深圳乐生机器人智能科技有限公司 一种尘盒以及清洁设备

Also Published As

Publication number Publication date
DE50211815D1 (de) 2008-04-17
EP1818000B1 (fr) 2010-09-29
DE10143941A1 (de) 2003-03-27
EP1818000A1 (fr) 2007-08-15
EP1290971B1 (fr) 2008-03-05
DE50214692D1 (de) 2010-11-11
EP1290971A3 (fr) 2004-02-11

Similar Documents

Publication Publication Date Title
EP1290971A2 (fr) Procédé pour nettoyer un filtre de machine mobile de nettoyage des sols et machine mobile de nettoyage des sols
EP0155527B1 (fr) Dispositif pour le nettoyage des semoules
DE3406816A1 (de) Hochleistungsfilter und filtersystem fuer bodenreinigungsmaschine
DE102009029956A1 (de) Selbstfahrende aufnehmende Kehrmaschine
DE4330233C2 (de) Kehrmaschine
EP1019218B1 (fr) Affutage de garnitures
DE2261642B2 (de) Vorrichtung zum Reinigen von rohrförmigen Filterelementen
EP0071893B1 (fr) Procédé et dispositif de nettoyage de rotors de filature
WO2021204567A2 (fr) Unité de filtre pour une machine de nettoyage, machine de nettoyage du sol et procédé de fonctionnement d'une machine de nettoyage du sol
DE102011075013A1 (de) Reinigungskonzept für ein Filter
DE69419634T2 (de) Sammelzubehör für Rasenmäher
DE3321455A1 (de) Verfahren und vorrichtung zur reinigung von gewebe
DE19629798B4 (de) Kämmmaschine
EP1293240B1 (fr) Filtre à air chargé de particules de poudre
EP2396258A1 (fr) Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces
DE102018000362B4 (de) Vorrichtung zum Erzeugen von Schwingungen sowie Vorrichtung zum Filtern von Flüssigkeiten
EP1329286B1 (fr) Meulage de garnitures
AT525984B1 (de) Vorrichtung zum Reinigen einer Schleifleitungsanordnung
DE69702701T2 (de) Kehrgerät und Filter mit elektromagnetischer Filterreinigung
DE20218414U1 (de) Staubentfernungsvorrichtung und Wischelement für eine Staubentfernungsvorrichtung
DE1814554A1 (de) Strassenreinigungsfahrzeug
DE10044870A1 (de) Verfahren und Vorrichtung zur Reinigung von benutzten Schüttgut-Textilcontainern oder dergleichen
DE1235971B (de) Staubabscheider fuer selbstaufnehmende Kehrmaschinen
DE3304135A1 (de) Schlauchfilter
EP4599914A1 (fr) Dispositif de filtration

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIC1 Information provided on ipc code assigned before grant

Ipc: 7A 47L 11/40 B

Ipc: 7A 47L 9/20 A

Ipc: 7A 47L 11/24 B

17P Request for examination filed

Effective date: 20040811

AKX Designation fees paid

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20060724

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: METHOD OF CLEANING THE FILTER OF A TRAVELLING FLOOR CLEANING MACHINE

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50211815

Country of ref document: DE

Date of ref document: 20080417

Kind code of ref document: P

EN Fr: translation not filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20081208

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081226

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120808

Year of fee payment: 11

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130814

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20170824

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20180731

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180814

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50211815

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200303